a={"座椅按摩": {
                "seek1": r"00:00:\d{2} -> 00:58:\d{2}",
                "seek2": r"00:58:\d{2} -> 00:58:\d{2}",
                "seek_all": r"00:(00|58):\d{2} -> 00:58:\d{2}",
                "time_front": str("[3490-3495]")+r"\d{3}",
                "time_5D": str(3495)+r"\d{3}",
                "time_5D1": str(3495) + r"1\d{2}",
                "command": r'onSeatShake: ts = 00:58:15, action = 13, strength = 3'}}
time_front = "GetCurrentTimeStamp timestamp : " + a["座椅按摩"]["time_front"]
print(time_front)